Ensure that 'Require logon using Secure Password Authentication (SPA) remains unchecked. This is important as you may experience difficulty sending email with this enabled.

8. Click "More Settings..." in the bottom right of the window9. Click "Outgoing Server" tab at the top.10. Tick the box labelled "My outgoing server (SMTP) requires authentication"11. Click "Advanced" tab at the top12. In the Outgoing mail (SMTP) box, type 25. *Note, if you have trouble sending e-mail, please try changing this to port 587.13. Ensure that 'This server requires an encrypted connection (SSL) is unchecked14. The 'Use the following type of encrypted connection:' option should be set to None15. Click "Ok" to close the window.16. Click Next after you have completed entering this configuration information, and then click Finish